Home / 348,045.20-522,067.80-181,811.60

Finding the Fourth Proportional to 348,045.20, 522,067.80 and 181,811.60

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Solution

The fourth proportional to 348,045.20, 522,067.80 and 181,811.60 is: 272,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,045.20 : 522,067.80 = 181,811.60 : x
  2. Step 2: Convert to fraction form
    348,045.20/522,067.80 = 181,811.60/x
  3. Step 3: Cross multiply
    348,045.20x = 522,067.80 × 181,811.60
  4. Step 4: Simplify right side
    348,045.20x = 94,917,982,026.48
  5. Step 5: Solve for x
    x = 94,917,982,026.48/348,045.20
  6. Step 6: Final answer
    x = 272,717.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.